package feifei;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.List;

@WebServlet("/editUser.action")
public class EditUserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html;charset=UTF-8");
        String id = req.getParameter("id");
        int uid = Integer.parseInt(id);
        HttpSession session = req.getSession();
        List<User> userList = (List<User>) session.getAttribute("userList");
        User user = userList.get(uid);
        req.setAttribute("user", user);
        req.setAttribute("id", id);
        req.getRequestDispatcher("editUser.jsp").forward(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html;charset=UTF-8");
        String id = req.getParameter("id");
        String username = req.getParameter("username");
        String userid = req.getParameter("userid");
        String description = req.getParameter("description");
        int uid = Integer.parseInt(id);
        User user=new User(userid,username,description);
        HttpSession session = req.getSession();
        List<User> userList = (List<User>) session.getAttribute("userList");
        userList.set(uid,user);
        session.setAttribute("userList", userList);
       resp.sendRedirect(req.getContextPath()+"/userInfo.jsp");
    }
}
